Chŏngchʻihak kaeron
By: Kim Kyŏng-su chŏ
Series: Taehak kangjwa. Chŏngchʻihak chŏnjip -- che 1-kwŏn 1; Taehak kangjwa -- che 1-kwŏn 1.
Publisher: Yangmun Sa
Published: 1955
Place of publication: Sŏul
Language: kor
Number of pages: 134